Home / 18,789-28,875

Finding the Third Proportional to 18,789 and 28,875

Calculator

Solution

The third proportional to 18,789 and 28,875 is: 44,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,789 : 28,875 = 28,875 : x
  2. Step 2: Convert to fraction form
    18,789/28,875 = 28,875/x
  3. Step 3: Cross multiply
    18,789x = 28,875 × 28,875
  4. Step 4: Simplify right side
    18,789x = 833,765,625
  5. Step 5: Solve for x
    x = 833,765,625/18,789
  6. Step 6: Final answer
    x = 44,375.20

Related Problems

Find third proportional to 9,394.50 and 14,437.50
Half scale
Find third proportional to 37,578 and 57,750
Double scale
Find third proportional to 18,791 and 28,878
Similar ratio
Find third proportional to 28,183.50 and 43,312.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.